/* YOU ARE A LIVERAMP ENGINEER - choose-your-own-adventure cert variant.
   Aesthetic: paper page, serif body, generous whitespace, drop caps on chapter intros. */

@import url('https://fonts.googleapis.com/css2?family=Crimson+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

:root {
  --paper: #f5efe1;
  --paper-shadow: #e3d9c2;
  --ink: #1b1714;
  --ink-soft: #4a3f33;
  --rule: #b9ab8c;
  --accent: #8a3324;        /* a single muted red accent, woodcut feel */
  --accent-soft: #c97a64;
  --good: #2f5d3a;
  --warn: #8b6a13;
  --shadow: 0 8px 28px rgba(40, 28, 16, 0.18);
  --max-text: 38rem;
  --body-size: 1.18rem;
  --line-height: 1.7;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(255,255,255,0.4), transparent 40%),
    radial-gradient(circle at 80% 90%, rgba(0,0,0,0.05), transparent 50%),
    var(--paper);
  color: var(--ink);
  font-family: 'Crimson Pro', 'EB Garamond', Georgia, 'Times New Roman', serif;
  font-size: var(--body-size);
  line-height: var(--line-height);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 48rem;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
  position: relative;
}

/* "Page" sheet effect */
.page {
  background: var(--paper);
  border: 1px solid var(--paper-shadow);
  box-shadow: var(--shadow);
  padding: 3.5rem 3.5rem 4rem;
  border-radius: 2px;
  position: relative;
  animation: pageTurn 0.45s ease-out;
}
.page::before {
  content: "";
  position: absolute;
  top: 0; bottom: 0; left: 0;
  width: 4px;
  background: linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0.02));
}

@keyframes pageTurn {
  from { opacity: 0; transform: rotateY(-3deg) translateY(8px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 640px) {
  main { padding: 1.5rem 0.5rem 4rem; }
  .page { padding: 2rem 1.5rem 2.5rem; }
}

/* Typography */
h1, h2, h3 {
  font-family: 'Crimson Pro', Georgia, serif;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--ink);
  margin-top: 0;
}
h1 {
  font-size: 2.6rem;
  line-height: 1.1;
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
}
h1.book-title {
  font-size: 3.2rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
h2 {
  font-size: 1.9rem;
  line-height: 1.2;
  margin: 2rem 0 1rem;
  font-weight: 600;
}
h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 1.5rem 0 0.5rem;
}
p {
  margin: 0 0 1.1rem;
  max-width: var(--max-text);
}
.subtitle {
  font-style: italic;
  color: var(--ink-soft);
  text-align: center;
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
}

/* Drop cap on the first paragraph of a chapter intro */
.drop-cap::first-letter {
  font-family: 'Crimson Pro', Georgia, serif;
  font-weight: 700;
  font-size: 4.6rem;
  line-height: 0.85;
  float: left;
  padding: 0.35rem 0.7rem 0 0;
  color: var(--accent);
}

/* Decorative rule */
.rule {
  border: none;
  border-top: 1px solid var(--rule);
  width: 60%;
  margin: 2.2rem auto;
  position: relative;
}
.rule::after {
  content: "* * *";
  position: absolute;
  top: -0.95em;
  left: 50%;
  transform: translateX(-50%);
  background: var(--paper);
  padding: 0 0.6rem;
  color: var(--accent);
  letter-spacing: 0.4em;
  font-size: 0.95rem;
}

/* Chapter eyebrow ("CHAPTER ONE" before the title) */
.eyebrow {
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.4em;
  font-size: 0.85rem;
  color: var(--ink-soft);
  margin-bottom: 0.4rem;
}

/* Illustration slots */
.illustration {
  display: block;
  margin: 1.5rem auto 2rem;
  max-width: 320px;
  width: 80%;
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(40,28,16,0.12));
}
.illustration.cover {
  max-width: 380px;
}

/* Decision screen */
.decision-meta {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  margin-bottom: 0.6rem;
}
.decision-prompt {
  font-size: 1.3rem;
  line-height: 1.55;
  margin-bottom: 1.5rem;
  font-weight: 500;
}
.options {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 1.2rem 0;
}
.option {
  background: var(--paper);
  border: 1.5px solid var(--rule);
  color: var(--ink);
  padding: 1rem 1.2rem;
  font-family: inherit;
  font-size: 1.05rem;
  line-height: 1.4;
  text-align: left;
  border-radius: 3px;
  cursor: pointer;
  display: flex;
  gap: 0.9rem;
  align-items: baseline;
  transition: border-color 120ms ease, transform 120ms ease, box-shadow 120ms ease;
}
.option:hover {
  border-color: var(--accent);
  transform: translateX(2px);
  box-shadow: 0 2px 10px rgba(138, 51, 36, 0.15);
}
.option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.option .letter {
  font-weight: 700;
  color: var(--accent);
  font-variant: small-caps;
  letter-spacing: 0.08em;
  flex-shrink: 0;
  min-width: 1.5rem;
}
.option:disabled {
  cursor: default;
  opacity: 0.75;
}

/* Buttons (primary/secondary) */
.btn {
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  padding: 0.85rem 1.7rem;
  font-family: inherit;
  font-size: 1.05rem;
  cursor: pointer;
  border-radius: 2px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  font-weight: 500;
  transition: background 120ms ease, transform 120ms ease;
}
.btn:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-1px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.btn.ghost {
  background: transparent;
  color: var(--ink);
}
.btn.ghost:hover { background: var(--ink); color: var(--paper); }
.btn-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
  justify-content: flex-end;
}

/* Remediation screen */
.remediation .consequence {
  font-style: italic;
  color: var(--ink-soft);
  border-left: 3px solid var(--accent);
  padding: 0.2rem 0 0.2rem 1rem;
  margin: 1.5rem 0;
}
.remediation .lesson-header {
  margin-top: 1.5rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}
.remediation .rationale {
  background: rgba(138, 51, 36, 0.06);
  border: 1px solid rgba(138, 51, 36, 0.18);
  padding: 1.1rem 1.3rem;
  border-radius: 3px;
  margin: 0.8rem 0 1.5rem;
  font-size: 1.05rem;
}

/* Progress chip in the corner */
.progress {
  position: absolute;
  top: -2.2rem;
  right: 0;
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* Ending screen */
.ending-title {
  font-size: 3rem;
  letter-spacing: 0.18em;
  text-align: center;
  color: var(--accent);
  margin: 1rem 0 0.5rem;
}
.ending-score {
  text-align: center;
  color: var(--ink-soft);
  margin-bottom: 1.5rem;
  font-style: italic;
}
.export-block {
  background: #2a221c;
  color: #f5efe1;
  border-radius: 3px;
  padding: 1.1rem 1.3rem;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 0.92rem;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
  margin: 1.2rem 0;
}

/* Visually hidden but screen-reader available */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Smooth screen transitions */
.screen { display: none; }
.screen.active { display: block; }